CN219877792U - Armrest mounting structure - Google Patents

Abstract

The utility model discloses an armrest mounting structure, which comprises a back frame, an embedded sleeve and an armrest body, wherein the embedded sleeve is fixedly arranged in an inner cavity of the back frame, a plurality of bolt grooves are formed in the side wall of the embedded sleeve and are arranged along the length direction of the embedded sleeve, a bolt switched between an unlocking state and a locking state and a transmission component for driving the bolt to switch between the two states are arranged in the armrest body, the bolt is contained in the armrest body and is separated from the bolt grooves in the unlocking state, at least part of the bolt extends out of the armrest body and is inserted into any bolt groove in the locking state, and when the bolt is inserted into the bolt grooves, the armrest body and the back frame are kept relatively fixed.

Description

Armrest mounting structure

Technical Field

The utility model relates to the technical field of seats, in particular to an armrest mounting structure.

Background

Currently, commercially available seats generally have an armrest structure, and in general, the armrest and the seat are fixed by bolts, and an auxiliary tool is required to be used for installation in the installation process.

The armrests and the seat are made into an integral structure, or the armrests are fixedly arranged on the seat. When the seat is sold and packaged, the armrests are inconvenient to disassemble from the seat, so that the volume of the seat is large, and meanwhile, the packaging of the seat is inconvenient; even though the armrests can be disassembled from the seat, the armrests are generally required to be disassembled by using auxiliary tools, and after the seat is transported to a consumer, the installation of the armrests is complicated because the armrests are installed by using specific tools, so that the experience of the consumer is affected.

Therefore, how to design a structure that facilitates the installation of the armrest is a technical problem to be solved by the person skilled in the art.

Disclosure of Invention

In order to solve at least one technical problem mentioned in the background art, the utility model aims to provide a handrail installation structure which solves the problem that an auxiliary tool is used for handrails and the handrail is inconvenient to install.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an armrest mounting structure, includes back of body frame, pre-buried cover and armrest body, pre-buried cover fixed mounting is in the inner chamber of back of body frame, pre-buried cover's lateral wall is equipped with the spring bolt groove that a plurality of set up along pre-buried cover length direction, the inside spring bolt that is equipped with of armrest body switches between unlocking state and locking state and drive spring bolt under the drive assembly that two kinds of states, under the unlocking state, the spring bolt accomodate to in the armrest body and deviate from the spring bolt groove, under the locking state, the spring bolt at least part stretches out the armrest body and peg graft to arbitrary spring bolt inslot wherein, when the spring bolt inserts the spring bolt inslot, the armrest body with back of body keeps relatively fixed.

Further, the transmission assembly is including setting up the transfer line in the handrail body inner chamber, transfer line is along the length direction sliding connection of handrail body, the first notch of communicating with the handrail body inner chamber has been seted up to the lateral wall of handrail body, the spring bolt slip peg graft to in the first notch, the slope is provided with the direction section on the transfer line, the bottom of direction section to first notch one side slope, be equipped with the lock on the spring bolt and be in the lock groove in the direction section outside, the lateral wall of direction section with the inner wall in lock groove offsets.

Further, the transmission assembly further comprises a first pressure spring, the top end of the first pressure spring is fixedly connected with the bottom end of the transmission rod, and the bottom end of the first pressure spring is fixedly connected with the armrest body.

Further, the transmission assembly further comprises a driving piece for pushing the transmission rod to slide along the handrail body, the driving piece comprises a button switch, the button switch comprises a pressing part extending out of the handrail body, a pushing part located in an inner cavity of the handrail body and a hinge post located between the pressing part and the pushing part, the hinge post is hinged with the handrail body, and the pushing part is propped against the top end of the transmission rod.

Further, a fixing seat is fixedly installed in the inner cavity of the armrest body, an inserting groove for inserting the lower end of the transmission rod is formed in the fixing seat, and the bottom end of the first pressure spring is fixed to the bottom wall of the inserting groove.

Further, a transverse sliding groove is formed in the fixing base and is communicated with the inserting groove, the lock tongue is installed in the sliding groove, and the side wall of the lock tongue is in sliding connection with the inner wall of the sliding groove.

Further, the lateral wall of fixing base is equipped with inwards sunken accomodate the groove, it has horizontal anticreep buckle to accomodate the inslot sliding connection, it is equipped with the second pressure spring to accomodate the inslot, the one end of second pressure spring with accomodate the lateral wall fixed connection of groove, its other end with anticreep buckle fixed connection, the tip of anticreep buckle stretches out the handrail body, when the handrail body is in last extreme position, the upper wall of anticreep buckle with the diapire of pre-buried cover offsets.

Further, the side wall of the embedded sleeve is provided with an anti-falling groove with a downward opening, and when the handrail body is at the upper limit position, the anti-falling buckle is inserted into the anti-falling groove, and the upper wall of the anti-falling buckle is propped against the upper wall of the anti-falling groove.

Further, the outer wall of the back frame is provided with a disassembly hole communicated with the inner cavity of the back frame, and the disassembly hole and the anti-falling groove are located at the same height.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the embedded sleeve is arranged in the back frame, the side wall of the embedded sleeve is provided with the lock tongue groove, when the armrest body is installed, the transmission assembly is used for controlling the lock tongue to switch in the locking state and the unlocking state, when the armrest body is installed, the lock tongue is retracted into the armrest body, and when the armrest body is positioned at a proper position, the lock tongue is switched to the locking state and is inserted into the lock tongue groove, so that the armrest body is rapidly installed;

when the lock tongue is retracted into the armrest body, the armrest body and the embedded sleeve are in an unlocking state, so that the armrest body is conveniently detached from the back frame, the packaging operation of the seat and the armrest is facilitated, the packaging volume of the seat is reduced, the packaging cost is saved, and meanwhile, the seat is also conveniently transported;

when the armrest body is installed, the armrest body is not required to be fixed by using auxiliary tools, so that the armrest body can be quickly installed, and the experience of consumers is improved.

Drawings

FIG. 1 is a schematic view of a handrail mounting structure;

FIG. 2 is an exploded view of a first portion of the present utility model;

FIG. 3 is an exploded view of a second portion of the present utility model;

FIG. 4 is a cross-sectional view of the embedment sleeve of the present utility model;

fig. 5 is a cross-sectional view of the armrest body;

FIG. 6 is a schematic view of a partially enlarged structure of the present utility model;

fig. 7 is a schematic structural diagram of the fixing base and the locking bolt.

In the figure: 1. a back frame; 11. disassembling the hole; 2. embedding a sleeve; 21. a tongue locking groove; 22. an anti-drop groove; 3. a handrail body; 31. a clamping seat; 32. a first notch; 33. a second notch; 4. a push button switch; 41. a pressing part; 42. a pushing part; 43. a hinge post; 5. a transmission rod; 51. pushing the section; 52. a guide section; 521. a first guide surface; 522. a second guide surface; 53. a connection section; 6. a fixing seat; 61. a slip groove; 62. a storage groove; 63. a plug-in groove; 71. a first compression spring; 72. a second compression spring; 8. a bolt; 81. a buckling groove; 811. a first pushing surface; 812. the second pushing surface; 9. anti-drop buckle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides an armrest mounting structure, mainly realizes the quick installation of armrest.

As shown in fig. 1, includes a back frame 1 on a seat body, wherein a handrail body 3 is installed inside the back frame 1.

In order to facilitate the installation of the armrest body 3 and to fix the armrest body 3 inside the back frame 1, in this embodiment, as shown in fig. 2 and fig. 4, an embedded sleeve 2 is embedded in the inner cavity of the back frame 1, wherein the embedded sleeve 2 is fixed in the back frame 1 by self-tapping screws; specifically, the inner wall of the embedded sleeve 2 is provided with a plurality of groups of lock tongue grooves 21 longitudinally arranged along the embedded sleeve 2 body, as shown in fig. 5 and 6, the lock tongue 8 which is switched under the unlocking state and the locking state is installed in the handrail body 3, the lock tongue 8 is stored in the handrail body 3 and is separated from the lock tongue grooves 21 under the unlocking state, the handrail body 3 is conveniently inserted into the embedded sleeve 2, and in the locking state, the lock tongue 8 partially extends out of the handrail body 3 and is inserted into the lock tongue grooves 21, so that the handrail body 3 and the embedded sleeve 2 are limited to move relatively, and the rapid installation of the handrail body 3 is realized.

In order to adjust the height of the armrest body 3, in this embodiment, as shown in fig. 4 and 6, five locking tongue grooves 21 on the pre-buried sleeve 2 are provided, the distance between two adjacent locking tongue grooves 21 is 12mm, the total lifting travel of the armrest body 3 is 60mm, and when the locking tongue 8 is inserted into different locking tongue grooves 21, the height of the armrest body 3 can be adjusted to adapt to the use of people with different heights.

In order to realize the installation of the lock tongue 8, in the present embodiment, the side wall of the armrest body 3 is provided with a first notch 32 communicated with the inner cavity of the armrest body 3, wherein the lock tongue 8 is inserted into the first notch 32 and can slide transversely.

In order to enable the lock tongue 8 to switch between the unlocked state and the locked state, in this embodiment, as shown in fig. 3 and 5, a transmission rod 5 slidably connected along the axial direction of the armrest body 3 is disposed in the inner cavity of the armrest body 3, where the transmission rod 5 is provided with a guide section 52 pushing the lock tongue 8, specifically, as shown in fig. 6, the guide section 52 is obliquely disposed from top to bottom, and the bottom end of the guide section 52 is inclined toward the first notch 32, as shown in fig. 7, a buckling groove 81 buckled on the outer side of the guide section 52 is disposed on one side wall of the lock tongue 8, where a first guide surface 521 and a second guide surface 522 are disposed on the guide section 52, and a first pushing surface 811 and a second pushing surface 812 are disposed on the side wall of the buckling groove 81, where the first guide surface 521 abuts against the first pushing surface 811, and the second guide surface 522 abuts against the second pushing surface 812.

Specifically, the first guide surface 521 and the first abutment surface 811 are located on the side away from the first slot 32, and the second guide surface 522 and the second abutment surface 812 are located on the side close to the first slot 32.

Through the arrangement, when the transmission rod 5 slides from top to bottom, the first guide surface 521 on the guide section 52 abuts against the first pushing surface 811, the lock tongue 8 slides into the inner cavity of the armrest body 3, and then the locking state is switched to the unlocking state, when the transmission rod 5 slides from bottom to top, the second pushing surface 812 of the guide section 52 abuts against the second guide surface 522, the lock tongue 8 is pushed to extend to the outer side of the armrest body 3, and then the lock tongue 8 can be pushed into the lock tongue groove 21, so that the locking of the armrest body 3 is realized.

In order to enable the transmission rod 5 to slide upwards from below, so that the handrail body 3 and the embedded sleeve 2 keep a locking state, in this embodiment, as shown in fig. 3, 5 and 6, a first pressure spring 71 is further arranged in the inner cavity of the handrail body 3, wherein a connecting section 53 is arranged at the bottom of the guiding section 52, one end of the first pressure spring 71 is fixedly connected with the inner wall of the handrail body 3, the other end of the first pressure spring 71 is fixedly connected with the connecting section 53, and the transmission rod 5 can be pushed upwards through the first pressure spring 71 at the bottom of the transmission rod 5, so that the lock tongue 8 on the handrail body 3 is in a locking state in a normal state, and at the moment, the lock tongue 8 partially stretches out of the first notch 32.

In order to facilitate pushing the transmission rod 5 downwards, in this embodiment, as shown in fig. 3 and 5, a push button switch 4 is installed on the armrest body 3 located at the outer side of the back frame 1, where the push button switch 4 includes a pressing portion 41 extending out of the armrest body 3 and a pushing portion 42 located in an inner cavity of the armrest body 3, where a pushing section 51 is provided at the top of the transmission rod 5, and an end of the pushing portion 42 abuts against the pushing section 51.

In order to implement the installation of the push button switch 4, in this embodiment, as shown in fig. 2, a socket 31 is disposed in the armrest body 3, and a hinge post 43 hinged to the socket 31 is disposed in the middle of the push button switch 4, where the push button switch 4 can be turned around the hinge post 43.

Specifically, through the above arrangement, when the push button switch 4 is pressed on the pressing portion 41 of the push button switch 4, at this time, the push portion 42 moves downward around the hinge post 43, and then the push transmission rod 5 moves downward, at this time, the guide section 52 on the transmission rod 5 draws the lock tongue 8 into the armrest body 3, at this time, the connecting section 53 on the transmission rod 5 moves downward to compress the first compression spring 71, the locking state of the armrest body 3 and the embedded sleeve 2 is released, at this time, the armrest body 3 is pressed or lifted, and then the height of the armrest body 3 can be adjusted, when the armrest body 3 is adjusted to a proper height, at this time, the pressing of the pressing portion 41 is released, the first compression spring 71 pushes the transmission rod 5 upward to reset, at this time, the guide section 52 pushes the lock tongue 8 outward, inserts the lock tongue 8 into the lock tongue groove 21 of a corresponding height, and then continues to lock the armrest body 3 and the embedded sleeve 2, and thus the armrest body 3 is fixed.

In order to facilitate the installation of the first compression spring 71, in this embodiment, as shown in fig. 5 and fig. 6, a fixing seat 6 is fixedly installed in the inner cavity of the handrail body 3 below the first slot 32, during installation, the fixing seat 6 is inserted inward from the bottom of the handrail body 3 and then the fixing seat 6 and the handrail body 3 are fixed by positioning bolts, specifically, as shown in fig. 3, fig. 5 and fig. 7, an inserting slot 63 into which the guiding section 52 and the connecting section 53 are inserted is provided above the fixing seat 6, wherein the connecting section 53 is slidingly connected with the inserting slot 63, the bottom end of the first compression spring 71 is fixed on the bottom wall of the inserting slot 63, and the top end of the first compression spring 71 is fixed on the connecting section 53.

The first compression spring 71 and the connecting section 53 on the transmission rod 5 are inserted into the insertion groove 63 to form sliding connection, so that stable sliding in the inner cavity of the handrail body 3 of the transmission rod 5 can be ensured, and the sliding stability of the transmission rod 5 is improved.

In order to further improve stability of the lock tongue 8 and ensure stable lateral sliding of the lock tongue 8, in this embodiment, as shown in fig. 7, a sliding groove 61 is provided on the fixing seat 6, in an installation state, the sliding groove 61 and the first notch 32 are located at the same height, the lock tongue 8 is installed inside the sliding groove 61, and the upper wall and the lower wall of the lock tongue 8 are propped against the upper wall and the lower wall of the sliding groove 61, so that stable movement of the lock tongue 8 can be ensured.

In order to prevent the armrest body 3 from being separated from the back frame 1 due to the fact that the armrest body 3 is lifted up and lifted up during lifting, in this embodiment, as shown in fig. 6 and 7, an anti-falling mechanism for limiting the separation of the armrest body 3 from the back frame 1 is further arranged at the bottom end of the armrest body 3, specifically, as shown in fig. 6 and 7, the anti-falling mechanism comprises an anti-falling groove 22, an anti-falling buckle 9 and a second pressure spring 72 for pushing the anti-falling buckle 9 to move, wherein the anti-falling groove 22 is arranged on the bottom side wall of the pre-buried sleeve 2 to form a notch with a downward opening, a storage groove 62 transversely arranged is arranged at the bottom of the fixing seat 6, a second notch 33 communicated with the storage groove 62 is arranged at the side wall of the armrest body 3, the anti-falling buckle 9 is slidably connected in the storage groove 62, one end of the anti-falling buckle 9 extends out of the armrest body 3, one end of the second pressure spring 72 is fixedly connected with the side wall of the storage groove 62, and the bottom of the armrest body 3 is pushed against the side wall of the pre-buried sleeve 2 under the action of the second pressure spring 72;

because during the installation, anticreep buckle 9 is located the downside of pre-buried cover 2, and when handrail body 3 risees to the highest position, anticreep buckle 9 pegging graft in anticreep groove 22 and offset with the upper wall in anticreep groove 22 this moment, and then restriction handrail body 3 continues the upward movement, and then can prevent that handrail body 3 under the installed state from breaking away from with back of the body frame 1.

In order to disassemble the armrest body 3 from the back frame 1, in this embodiment, as shown in fig. 2 and 6, a disassembly hole 11 is formed on the outer wall of the back frame 1 and is communicated with the inner cavity of the back frame 1, wherein the height position of the disassembly hole 11 corresponds to the height of the anti-disengagement slot 22 on the pre-embedded sleeve 2, the disassembly hole 11 is opposite to the anti-disengagement slot 22, at this time, a rod-shaped object is inserted into the disassembly hole 11 and pushes the anti-disengagement buckle 9 into the storage slot 62, so that the second pressure spring 72 is compressed, the anti-disengagement buckle 9 is pushed into the storage slot 62, the condition that the anti-disengagement buckle 9 abuts against the upper wall of the anti-disengagement slot 22 is released, at this time, the locking state of the lock tongue 8 and the lock tongue slot 21 is released by pressing the button switch 4, the armrest body 3 is pulled upwards, and the armrest body 3 can be disassembled from the back frame 1.

It should be noted that, when the seat is sold, the pre-embedded sleeve 2 is pre-installed inside the back frame 1, the fixing seat 6, the anti-disengaging structure, the push button switch 4, the lock tongue 8 and the transmission rod 5 are pre-installed inside the armrest body 3, when the seat is received by a consumer, the second pressure spring 72 is compressed by pressing the anti-disengaging buckle 9, so that the anti-disengaging buckle 9 is stored inside the storage groove 62, then the lower end of the armrest body 3 is inserted into the pre-embedded sleeve 2 and pressed downwards, at the same time, the push button switch 4 is pressed, the lock tongue 8 is retracted into the armrest body 3 through the transmission rod 5, and the lock tongue 8 interferes with the installation of the armrest body 3 when the armrest body 3 is prevented from being inserted into the back frame 1; after the anti-falling buckle 9 continues to move down to the bottom of the embedded sleeve 2, the embedded sleeve 2 releases the limit of the anti-falling buckle 9, the anti-falling buckle 9 is pushed outwards under the action of the second pressure spring 72, the end of the anti-falling buckle 9 is pushed against the side wall of the inner cavity of the back frame 1, when the armrest body 3 is adjusted to a proper height, the push of the button switch 4 is released, at the moment, the lock tongue 8 outwards extends out of the armrest body 3 under the action of the transmission rod 5 and is inserted into the lock tongue groove 21, the fixation of the armrest body 3 is further realized, and the installation of the armrest body 3 is completed.

In this embodiment, since the button switch 4 is located on the armrest body 3 outside the back frame 1, the height of the armrest body 3 can be adjusted only by pressing the button switch 4, and the height adjustment of the armrest body 3 is simple and convenient, so that the armrest body is convenient for people to use.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (9)

1. An armrest mounting structure, its characterized in that: including back of body frame (1), pre-buried cover (2) and handrail body (3), pre-buried cover (2) fixed mounting is in the inner chamber of back of body frame (1), the lateral wall of pre-buried cover (2) is equipped with a plurality of lock tongue groove (21) that set up along pre-buried cover (2) length direction, the inside spring bolt (8) that are equipped with in unlocking state and locking state switching and the drive assembly that drive spring bolt (8) switched between two kinds of states of handrail body (3), under the unlocking state, spring bolt (8) accomodate to in handrail body (3) and deviate from spring bolt groove (21), under the locking state, spring bolt (8) at least part stretches out handrail body (3) and peg graft in arbitrary lock tongue groove (21), when spring bolt (8) inserts in lock tongue groove (21), handrail body (3) with back of body (1) keep relatively fixed.

2. A handrail mounting structure according to claim 1, wherein: the transmission assembly comprises a transmission rod (5) arranged in an inner cavity of the handrail body (3), the transmission rod (5) is in sliding connection along the length direction of the handrail body (3), a first notch (32) communicated with the inner cavity of the handrail body (3) is formed in the side wall of the handrail body (3), the lock tongue (8) is in sliding connection with the first notch (32), the transmission rod (5) is obliquely provided with a guide section (52), the bottom end of the guide section (52) is inclined towards one side of the first notch (32), a buckling groove (81) buckled on the outer side of the guide section (52) is formed in the lock tongue (8), and the side wall of the guide section (52) is propped against the inner wall of the buckling groove (81).

3. A handrail mounting structure according to claim 2, wherein: the transmission assembly further comprises a first pressure spring (71), the top end of the first pressure spring (71) is fixedly connected with the bottom end of the transmission rod (5), and the bottom end of the first pressure spring (71) is fixedly connected with the handrail body (3).

4. A handrail mounting structure according to claim 2, wherein: the transmission assembly further comprises a driving piece for pushing the transmission rod (5) to slide along the handrail body (3), the driving piece comprises a push button switch (4), the push button switch (4) comprises a pressing part (41) extending out of the outer side of the handrail body (3), a pushing part (42) located in an inner cavity of the handrail body (3) and a hinge post (43) located between the pressing part (41) and the pushing part (42), the hinge post (43) is hinged with the handrail body (3), and the pushing part (42) is propped against the top end of the transmission rod (5).

5. A handrail mounting structure according to claim 3, wherein: the handrail is characterized in that a fixing seat (6) is fixedly installed in an inner cavity of the handrail body (3), an inserting groove (63) for inserting the lower end of the transmission rod (5) is formed in the fixing seat (6), and the bottom end of the first pressure spring (71) is fixed to the bottom wall of the inserting groove (63).

6. The armrest mounting structure of claim 5, wherein: the fixing seat (6) is provided with a transverse sliding groove (61), the sliding groove (61) is communicated with the inserting groove (63), the lock tongue (8) is installed in the sliding groove (61), and the side wall of the lock tongue (8) is in sliding connection with the inner wall of the sliding groove (61).

7. The armrest mounting structure of claim 5, wherein: the side wall of fixing base (6) is equipped with inwards sunken accomodate groove (62), accomodate inslot (62) sliding connection has horizontal anticreep buckle (9), be equipped with second pressure spring (72) in accomodating groove (62), the one end of second pressure spring (72) with accomodate the lateral wall fixed connection of groove (62), its other end with anticreep buckle (9) fixed connection, the tip of anticreep buckle (9) stretches out handrail body (3), when handrail body (3) are in upper limit position, the upper wall of anticreep buckle (9) with the diapire of pre-buried cover (2) offsets.

8. The armrest mounting structure of claim 7, wherein: the side wall of the embedded sleeve (2) is provided with an anti-falling groove (22) with a downward opening, when the handrail body (3) is positioned at the upper limit position, the anti-falling buckle (9) is inserted into the anti-falling groove (22), and the upper wall of the anti-falling buckle (9) is propped against the upper wall of the anti-falling groove (22).

9. The armrest mounting structure of claim 8, wherein: the outer wall of the back frame (1) is provided with a disassembly hole (11) communicated with the inner cavity of the back frame (1), and the disassembly hole (11) and the anti-drop groove (22) are positioned at the same height.